Question

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Fibre to Fabric; Soil
CLASS 7
SET NO
1
Q: 7 Aditya wants to grow a plant in soil that can retain a lot of water. To check this, he
collects soil samples and puts them in containers that have a small hole at the bottom
to let out water. He then pours a fixed amount of water into each and measures the
amount of water that drains off.
Which of these is one thing that Aditya needs to do to get accurate results?
1 obtain all the soil from a single location
2 get soil that is the same colour and texture
3 maintain the same amount of soil in all cans
4 put the soil in cans made of different materials​

Answer 1

Answer:

no sorry I didn't know and please follow me

Answer 2

Answer:

Ans 4.

Explanation:

You'll get the ans if you read it 4 - 5 times.